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f(x)=x²;+a/xf'(x)=2x-a/x²;∵f(x)在區間[2,3]上遞增∴x∈【2,3】時,f'(x)≥0恒成立即2x-a/x³;≥0,a≤2x³;恒成立需a≤(2x³;)min∵x∈【2,3】∴x³;∈[8,27]2x³;∈[ 16,54]∴(2x³;)m…
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